Problems after replacing memory chip

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Way back, I bought a 512 MB Memory chip for my computer and without realizing, I had a compatibility issue since I had the incorrect manual for the motherboard. So, I replaced it with (2) 256 chips. Since then I’ve had a little trouble with my computer freezing indiscriminately.

There are some consistencies although what happens is unusual every time to some extent. The computer’s mouse and keyboard become unresponsive e.g. hit Caps Lock and the light won’t turn on/off, Ctrl+Alt+Del too and no change, no pointer on the screen as it just vanishes. If I do anything high in 3D e.g. Tuxracer on Windows 98 Windows 2000 or Linux it is set off often. High 3D will lock it up every time; it’s just a question of how long. All these are from a clean set up. When it freezes, it only appears to disable the mouse, keyboard & display. I know this because I can log on through the network and open, close, save files on the same computer.

When I tried using the original RAM in the computer again the outcome was the same. I even got a 3rd to test but still there is no positive change. I replaced the following parts, Video card, Soundcard, Motherboard, Cables, Floppy, CD-ROM, Processor, Memory, and Monitor. From the parts left I built another computer, I understood the problem is on both computers. This happens on Win 98, Windows XP, Windows 2000 and Linux Mandrake 8.2.

I would like to know if anybody has ever found themselves in the same predicament and also if there is any diagnostic software available that I can use to fix my problem. Thanks.

Answered By 0 points N/A #99072

Problems after replacing memory chip


Hi Andy Simpson,

      Others say to speed up your computer  you have to add your RAM.  But many had overlooked the fact that the chip might not be  compatible with older computer. You have to test first the memory chip by downloading a software that could test it.  It will notify you that there's a problem with the chip you are going to add.  Another thing is that probably the mismatched of RAM.  You get the correct size of the chip but if the speed of the memory access of it is slower than your computer might cause a problem also.  

    Make sure that you get he correct size of the RAM and the required bus speed for your computer.

Hope this might help you.



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